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Finding the Fourth Proportional to 488,035.60, 732,135.41 and 168,174.39

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Solution

The fourth proportional to 488,035.60, 732,135.41 and 168,174.39 is: 252,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,035.60 : 732,135.41 = 168,174.39 : x
  2. Step 2: Convert to fraction form
    488,035.60/732,135.41 = 168,174.39/x
  3. Step 3: Cross multiply
    488,035.60x = 732,135.41 × 168,174.39
  4. Step 4: Simplify right side
    488,035.60x = 123,126,428,509.44
  5. Step 5: Solve for x
    x = 123,126,428,509.44/488,035.60
  6. Step 6: Final answer
    x = 252,289.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.